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Mirrors > Home > MPE Home > Th. List > Mathboxes > brerser | Structured version Visualization version GIF version |
Description: Binary equivalence relation with natural domain and the equivalence relation with natural domain predicate are the same when 𝐴 and 𝑅 are sets. (Contributed by Peter Mazsa, 25-Aug-2021.) |
Ref | Expression |
---|---|
brerser | ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → (𝑅 Ers 𝐴 ↔ 𝑅 ErALTV 𝐴)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | brers 36779 | . . 3 ⊢ (𝐴 ∈ 𝑉 → (𝑅 Ers 𝐴 ↔ (𝑅 ∈ EqvRels ∧ 𝑅 DomainQss 𝐴))) | |
2 | 1 | adantr 481 | . 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → (𝑅 Ers 𝐴 ↔ (𝑅 ∈ EqvRels ∧ 𝑅 DomainQss 𝐴))) |
3 | eleqvrelsrel 36707 | . . . . 5 ⊢ (𝑅 ∈ 𝑊 → (𝑅 ∈ EqvRels ↔ EqvRel 𝑅)) | |
4 | 3 | adantl 482 | . . . 4 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → (𝑅 ∈ EqvRels ↔ EqvRel 𝑅)) |
5 | brdmqssqs 36760 | . . . 4 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → (𝑅 DomainQss 𝐴 ↔ 𝑅 DomainQs 𝐴)) | |
6 | 4, 5 | anbi12d 631 | . . 3 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → ((𝑅 ∈ EqvRels ∧ 𝑅 DomainQss 𝐴) ↔ ( EqvRel 𝑅 ∧ 𝑅 DomainQs 𝐴))) |
7 | df-erALTV 36776 | . . 3 ⊢ (𝑅 ErALTV 𝐴 ↔ ( EqvRel 𝑅 ∧ 𝑅 DomainQs 𝐴)) | |
8 | 6, 7 | bitr4di 289 | . 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → ((𝑅 ∈ EqvRels ∧ 𝑅 DomainQss 𝐴) ↔ 𝑅 ErALTV 𝐴)) |
9 | 2, 8 | bitrd 278 | 1 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → (𝑅 Ers 𝐴 ↔ 𝑅 ErALTV 𝐴)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 ∈ wcel 2106 class class class wbr 5074 EqvRels ceqvrels 36349 EqvRel weqvrel 36350 DomainQss cdmqss 36356 DomainQs wdmqs 36357 Ers cers 36358 ErALTV werALTV 36359 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-12 2171 ax-ext 2709 ax-sep 5223 ax-nul 5230 ax-pr 5352 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-clab 2716 df-cleq 2730 df-clel 2816 df-ral 3069 df-rex 3070 df-rab 3073 df-v 3434 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-br 5075 df-opab 5137 df-id 5489 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-ec 8500 df-qs 8504 df-rels 36603 df-ssr 36616 df-refs 36628 df-refrels 36629 df-refrel 36630 df-syms 36656 df-symrels 36657 df-symrel 36658 df-trs 36686 df-trrels 36687 df-trrel 36688 df-eqvrels 36697 df-eqvrel 36698 df-dmqss 36751 df-dmqs 36752 df-ers 36775 df-erALTV 36776 |
This theorem is referenced by: (None) |
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